Home / 211,008.01-316,512.02-70,766.23

Finding the Fourth Proportional to 211,008.01, 316,512.02 and 70,766.23

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Solution

The fourth proportional to 211,008.01, 316,512.02 and 70,766.23 is: 106,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,008.01 : 316,512.02 = 70,766.23 : x
  2. Step 2: Convert to fraction form
    211,008.01/316,512.02 = 70,766.23/x
  3. Step 3: Cross multiply
    211,008.01x = 316,512.02 × 70,766.23
  4. Step 4: Simplify right side
    211,008.01x = 22,398,362,405.08
  5. Step 5: Solve for x
    x = 22,398,362,405.08/211,008.01
  6. Step 6: Final answer
    x = 106,149.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.